Prīvo, I separate; deprive, privateer, private.

Probo, I try or prove; probable, prove, reproof.

Proprius, one’s own; property, appropriation.

Pugna, a fight; pugnacious, repugnant.

Pungo (punct-um), I prick; pungent, poignant, punctual.

Puto, I cut or think; amputate, compute, reputation.

Quæro (quæsīt-um), I seek; quest, inquiry, inquisition.

Quatuor, four; quadrilateral, square, quarry, quart, quadrant.

Quies (quiēt-is), rest; acquiesce, quiet, requite.

Radius, a ray; radiant, irradiate, (ray).